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The 2021 Lake Michigan hurricane season was a little more Active compared to the 2017 Season

It began on June 1st, 2021 and ended November 30th, 2021.


Seasonal forecasts

Source Date Named

storms

Hurricanes Major

hurricanes

NOAA May 10, 2021 4 1 0
–––––––––––––––––––––––––––––––––––––––––––––––––––––––
Actual activity 5 1 0


Season Summary

Storms

Storms
SS Andrew
TS Babe
TD Three-M
C1 Craig
TS Diane
TD Ed
TD Seven-M


Subtropical Storm Andrew

Subtropical storm (SSHWS)


Tropical Storm Leslie (2000) - New.jpg
Duration July 8 – July 11
Peak intensity 45 mph (75 km/h) (1-min)  999 mbar (hPa)


Tropical Storm Babe

Tropical storm (SSHWS)
Tropical Storm Ernesto (2000 - New).jpg
Duration July 28 – July 31
Peak intensity 40 mph (65 km/h) (1-min)  1000 mbar (hPa)


Tropical Depression Three-M

Tropical depression (SSHWS)
Tropical Depression Twelve (1999).jpg
Duration August 6 – August 7
Peak intensity 35 mph (55 km/h) (1-min)  1002 mbar (hPa)


Hurricane Craig

Category 1 hurricane (SSHWS)
Hanna 29 August 2008.jpg
Duration September 10 – September 15
Peak intensity 80 mph (130 km/h) (1-min)  982 mbar (hPa)


Tropical Storm Diane

Tropical storm (SSHWS)
Tropical Storm Nadine (2000) - VIS.jpg
Duration September 30 – October 4
Peak intensity 65 mph (100 km/h) (1-min)  989 mbar (hPa)


Tropical Storm Ed

Tropical storm (SSHWS)
20081006-marco-enh-full.jpg
Duration October 19 – October 23
Peak intensity 60 mph (95 km/h) (1-min)  994 mbar (hPa)


Tropical Depression Seven-M

Tropical depression (SSHWS)
Otto dec 3 2004 1758Z.jpg
Duration October 31 – November 1
Peak intensity 35 mph (55 km/h) (1-min)  1002 mbar (hPa)



Timeline

wikipedia:Saffir-Simpson Hurricane Scale


Storm names

The following names will be used to name tropical and subtropical cyclones in the 2021 season.

  • Andrew
  • Babe
  • Craig
  • Diane
  • Ed
  • Florence (unused)
  • Glen (unused)
  • Hannah (unused)
  • Igor (unused)
  • Juliana (unused)
  • Khari (unused)
  • Lima (unused)
  • Max (unused)
  • Nathana (unused)
  • Oliver (unused)
  • Pat (unused)
  • Rudy (unused)
  • Sandy (unused)
  • Ted (unused)
  • Val (unused)
  • Wally (unused)


Accumulated Cyclone Energy (ACE) Rating

ACE (104 kt2) – Storm: Source
1 7.50 Craig 12 0.00 Storm
2 4.18 Diane 13 0.00 Storm
3 3.82 Ed 14 0.00 Storm
4 2.61 Andrew 15 0.00 Storm
5 2.00 Babe 16 0.00 Storm
6 0.00 Storm 17 0.00 Storm
7 0.00 Storm 18 0.00 Storm
8 0.00 Storm 19 0.00 Storm
9 0.00 Storm 20 0.00 Storm
10 0.00 Storm 21 0.00 Storm
11 0.00 Storm 22 0.00 Storm
Total=20.11

ACE is the result of a storm's winds multiplied by how long it lasted for, so storms or subtropical storms (Originally not included up until 2012) that at lasted a long time , as well as particularly strong hurricanes , have higher ACE totals. Tropical Depressions are not included in season total.

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